<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>标签选择器</title>
    <style>
        div {
            color: green;
        }
        li {
            color: darkorange;
        }
    </style>
</head>
<body>
    <div>A</div>
    <div>B</div>
    <div>C</div>
    <br/>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
    </ul>
</body>
</html>